40357720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77611}}^1$

素因数の和:77635

約数の個数: 32

約数和(自身を含む): 97791120

約数和(自身を除く): 57433400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77611, 155222, 310444, 388055, 620888, 776110, 1008943, 1552220, 2017886, 3104440, 4035772, 5044715, 8071544, 10089430, 20178860, 40357720]

約数ペア:

[(1, 40357720), (2, 20178860), (4, 10089430), (5, 8071544), (8, 5044715), (10, 4035772), (13, 3104440), (20, 2017886), (26, 1552220), (40, 1008943), (52, 776110), (65, 620888), (104, 388055), (130, 310444), (260, 155222), (520, 77611)]